🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.4 AU - 0.64 AU

Year: 141 Days

Day: 47 Hours

Environment

Temp: 186 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.67 AU - 0.81 AU

Year: 239 Days

Day: 47.5 Hours

Environment

Temp: 182 °C

Axial Tilt: 161.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.99 AU - 1.25 AU

Year: 444 Days

Day: 21 Hours

Environment

Temp: 12 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 51,397,364 km

• M1: 24,384 km (0.054 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.86 AU - 2.24 AU

Year: 1100 Days

Day: 37.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.37 AU - 5.01 AU

Year: 3214 Days

Day: 21.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,397,364 km

• M1: 446,250 km (0.094 R)

Asteroid Belt

Center: 6.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.5

Radius: 8.8

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.22 AU - 8.74 AU

Year: 8448 Days

Day: 7.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,397,364 km

• M1: 110,553 km (0.064 R)
• M2: 429,346 km (0.119 R)
• M3: 888,462 km (0.079 R)
• M4: 1,340,247 km (0.066 R)
• M5: 2,053,081 km (0.119 R)
• M6: 2,475,695 km (0.109 R)
• M7: 2,830,093 km (0.073 R)
• M8: 3,448,979 km (0.072 R)
• M9: 4,716,372 km (0.096 R)
• M10: 7,558,881 km (0.106 R)
• M11: 8,438,517 km (0.091 R)
• M12: 8,746,389 km (0.083 R)
• M13: 9,572,768 km (0.118 R)
• M14: 10,805,753 km (0.093 R)
• M15: 11,648,438 km (0.097 R)
• M16: 13,464,257 km (0.076 R)
• M17: 14,880,799 km (0.104 R)
• M18: 16,667,447 km (0.075 R)
• M19: 18,225,359 km (0.12 R)
• M20: 20,740,997 km (0.041 R)
• M21: 21,221,954 km (0.077 R)
• M22: 23,049,591 km (0.084 R)
• M23: 25,251,223 km (0.086 R)
• M24: 29,359,480 km (0.082 R)
• M25: 30,477,873 km (0.091 R)
• M26: 32,048,352 km (0.075 R)
• M27: 34,225,150 km (0.058 R)
• M28: 36,615,126 km (0.115 R)
• M29: 41,218,701 km (0.114 R)
• M30: 43,007,742 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 11.2

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.89 AU - 9.59 AU

Year: 10525 Days

Day: 9.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,397,364 km

• M1: 139,276 km (0.082 R)
• M2: 525,687 km (0.117 R)
• M3: 1,021,005 km (0.085 R)
• M4: 1,503,159 km (0.115 R)
• M5: 2,523,267 km (0.088 R)
• M6: 4,942,564 km (0.119 R)
• M7: 6,415,953 km (0.102 R)
• M8: 8,075,742 km (0.056 R)
• M9: 8,749,231 km (0.097 R)
• M10: 9,171,097 km (0.084 R)
• M11: 10,888,780 km (0.056 R)
• M12: 11,487,920 km (0.085 R)
• M13: 12,633,391 km (0.117 R)
• M14: 14,427,518 km (0.077 R)
• M15: 16,740,301 km (0.092 R)
• M16: 17,245,493 km (0.118 R)
• M17: 18,591,425 km (0.086 R)
• M18: 19,765,619 km (0.048 R)
• M19: 25,429,843 km (0.069 R)
• M20: 29,510,274 km (0.084 R)
• M21: 30,890,165 km (0.061 R)
• M22: 32,983,638 km (0.09 R)
• M23: 34,935,441 km (0.095 R)
• M24: 36,841,617 km (0.065 R)
• M25: 37,574,048 km (0.073 R)
• M26: 43,786,998 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.8

Radius: 6.2

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 9.68 AU - 16.1 AU

Year: 17342 Days

Day: 19.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,397,364 km

• M1: 99,632 km (0.12 R)
• M2: 601,533 km (0.077 R)
• M3: 1,315,863 km (0.073 R)
• M4: 1,635,703 km (0.074 R)
• M5: 1,989,352 km (0.07 R)
• M6: 2,239,929 km (0.054 R)
• M7: 4,508,581 km (0.088 R)
• M8: 5,105,027 km (0.067 R)
• M9: 6,530,695 km (0.079 R)
• M10: 8,898,081 km (0.071 R)
• M11: 9,138,186 km (0.048 R)
• M12: 13,032,219 km (0.067 R)
• M13: 17,604,677 km (0.083 R)
• M14: 30,170,151 km (0.087 R)
• M15: 32,153,669 km (0.107 R)
• M16: 39,391,513 km (0.088 R)
• M17: 48,084,196 km (0.047 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 13,303 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit